| 8 |
|
import static java.util.concurrent.TimeUnit.HOURS; |
| 9 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
| 10 |
|
|
| 11 |
+ |
import java.util.ArrayDeque; |
| 12 |
|
import java.util.ArrayList; |
| 13 |
|
import java.util.Arrays; |
| 14 |
|
import java.util.Collection; |
| 102 |
|
assertEquals(Collections.emptyList(), x); |
| 103 |
|
assertEquals(-1, x.indexOf(impl.makeElement(86))); |
| 104 |
|
assertEquals(-1, x.lastIndexOf(impl.makeElement(99))); |
| 105 |
+ |
assertThrows( |
| 106 |
+ |
IndexOutOfBoundsException.class, |
| 107 |
+ |
() -> x.get(0), |
| 108 |
+ |
() -> x.set(0, impl.makeElement(42))); |
| 109 |
|
} |
| 110 |
|
else if (c instanceof Set<?>) { |
| 111 |
|
assertEquals(0, c.hashCode()); |
| 907 |
|
} |
| 908 |
|
} |
| 909 |
|
|
| 910 |
+ |
public void testCollectionCopies() throws Exception { |
| 911 |
+ |
ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
| 912 |
+ |
Collection c = impl.emptyCollection(); |
| 913 |
+ |
for (int n = rnd.nextInt(4); n--> 0; ) |
| 914 |
+ |
c.add(impl.makeElement(rnd.nextInt())); |
| 915 |
+ |
assertEquals(c, c); |
| 916 |
+ |
if (c instanceof List) |
| 917 |
+ |
assertCollectionsEquals(c, new ArrayList(c)); |
| 918 |
+ |
else if (c instanceof Set) |
| 919 |
+ |
assertCollectionsEquals(c, new HashSet(c)); |
| 920 |
+ |
else if (c instanceof Deque) |
| 921 |
+ |
assertCollectionsEquivalent(c, new ArrayDeque(c)); |
| 922 |
+ |
|
| 923 |
+ |
Collection clone = cloneableClone(c); |
| 924 |
+ |
if (clone != null) { |
| 925 |
+ |
assertSame(c.getClass(), clone.getClass()); |
| 926 |
+ |
assertCollectionsEquivalent(c, clone); |
| 927 |
+ |
} |
| 928 |
+ |
try { |
| 929 |
+ |
Collection serialClone = serialClonePossiblyFailing(c); |
| 930 |
+ |
assertSame(c.getClass(), serialClone.getClass()); |
| 931 |
+ |
assertCollectionsEquivalent(c, serialClone); |
| 932 |
+ |
} catch (java.io.NotSerializableException acceptable) {} |
| 933 |
+ |
} |
| 934 |
+ |
|
| 935 |
+ |
public void testReplaceAllIsNotStructuralModification() { |
| 936 |
+ |
Collection c = impl.emptyCollection(); |
| 937 |
+ |
if (!(c instanceof List)) |
| 938 |
+ |
return; |
| 939 |
+ |
List list = (List) c; |
| 940 |
+ |
ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
| 941 |
+ |
for (int n = rnd.nextInt(2, 10); n--> 0; ) |
| 942 |
+ |
list.add(impl.makeElement(rnd.nextInt())); |
| 943 |
+ |
ArrayList copy = new ArrayList(list); |
| 944 |
+ |
int size = list.size(), half = size / 2; |
| 945 |
+ |
Iterator it = list.iterator(); |
| 946 |
+ |
for (int i = 0; i < half; i++) |
| 947 |
+ |
assertEquals(it.next(), copy.get(i)); |
| 948 |
+ |
list.replaceAll(n -> n); |
| 949 |
+ |
// ConcurrentModificationException must not be thrown here. |
| 950 |
+ |
for (int i = half; i < size; i++) |
| 951 |
+ |
assertEquals(it.next(), copy.get(i)); |
| 952 |
+ |
} |
| 953 |
+ |
|
| 954 |
|
// public void testCollection8DebugFail() { |
| 955 |
|
// fail(impl.klazz().getSimpleName()); |
| 956 |
|
// } |
